<canvas id="myCanvas" width="200" height="100" style="border:1px solid #000000;"> </canvas>
//HTML <canvas id="canv"></canvas> //Javascript var canvas = document.getElementById("canv"); canvas.width = canvas.height = 100; var ctx = canvas.getContext("2d"); ctx.fillStyle = "red"; ctx.fillRect(10, 10, 80, 80);